Home / 1,121,373.86-1,682,318.38-322,662.02

Finding the Fourth Proportional to 1,121,373.86, 1,682,318.38 and 322,662.02

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Solution

The fourth proportional to 1,121,373.86, 1,682,318.38 and 322,662.02 is: 484,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,373.86 : 1,682,318.38 = 322,662.02 : x
  2. Step 2: Convert to fraction form
    1,121,373.86/1,682,318.38 = 322,662.02/x
  3. Step 3: Cross multiply
    1,121,373.86x = 1,682,318.38 × 322,662.02
  4. Step 4: Simplify right side
    1,121,373.86x = 542,820,246,773.93
  5. Step 5: Solve for x
    x = 542,820,246,773.93/1,121,373.86
  6. Step 6: Final answer
    x = 484,067.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.